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Topic: Custom R9 380 BIOS for 23-24Mh/s - page 3. (Read 21886 times)

hero member
Activity: 2548
Merit: 626
November 23, 2016, 12:47:18 PM
#89
just please take the effort and find it on the forum how to copy straps from lower to higher mhz
newbie
Activity: 19
Merit: 0
November 23, 2016, 11:15:49 AM
#88
just modified it myself with a hex editor, copied straps.
r9 380 2gb strix can go even higher than 24 mh/s

Can you please share with us your straps?  I have 5 R9 380's strix 2 GB.

Thank You
hero member
Activity: 2548
Merit: 626
November 23, 2016, 09:04:05 AM
#87
just modified it myself with a hex editor, copied straps.
r9 380 2gb strix can go even higher than 24 mh/s
newbie
Activity: 29
Merit: 0
November 23, 2016, 09:00:29 AM
#86
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??

I have one of those - it SUCKS. Somehow, even with *custom* timings, not a copied strap, it STILL sucks ass.

i get 24 mh/s with 380 strix so no, it doesn't sucks so bad.
It's better , i only get 20.4 mh/s , what's is the bios you use for asus r9 strix ??
newbie
Activity: 29
Merit: 0
November 23, 2016, 08:49:44 AM
#85
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??

I have one of those - it SUCKS. Somehow, even with *custom* timings, not a copied strap, it STILL sucks ass.

ıf u use dualmıner try -dcri 9 -cclock 885  -mclock 1625
thnx a lot , i will try it
hero member
Activity: 2548
Merit: 626
November 23, 2016, 08:42:25 AM
#84
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??

I have one of those - it SUCKS. Somehow, even with *custom* timings, not a copied strap, it STILL sucks ass.

i get 24 mh/s with 380 strix so no, it doesn't sucks so bad.
hero member
Activity: 578
Merit: 508
November 23, 2016, 08:41:04 AM
#83
You're starting to surprise me..

I think i missjudged you..   Wink

You do have a history of letting your ego cloud your judgment.  :-)
Remember the bitcanuck R9 380 thread in the ethereum forums?  You were convinced that reducing the core clock would reduce eth hashrates, but you were wrong.
I can't find the thread any more, as I think one of the mods deleted it.  I could probably find it with the wayback machine if you've "forgotten" it. :-)
Come to think of it, you're a mod on the ethereum forums, aren't you...


It was in this thread, while I didn't realize it at the time, this remarkable counterintuiative result was published by (Helox?/Bitcanuk?/dihenky?) for the R9 380 which was an R9 380 stock at 800-820/1500 was hashing at 20+ MH/s. These spec's also result in the card's lowest power consumption @ 20+ MH/s.

The results in this R9 380 hot rodding thread are somewhat incomplete in that corresponding changes in power draw with mod's would also be of interest.
copper member
Activity: 1358
Merit: 523
November 23, 2016, 08:17:56 AM
#82
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??

I have one of those - it SUCKS. Somehow, even with *custom* timings, not a copied strap, it STILL sucks ass.

ıf u use dualmıner try -dcri 9 -cclock 885  -mclock 1625
newbie
Activity: 29
Merit: 0
November 23, 2016, 08:06:11 AM
#81
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??

I have one of those - it SUCKS. Somehow, even with *custom* timings, not a copied strap, it STILL sucks ass.
Yes It's Sucks Sad
I tried Everything But i only get 20.43 Mh/s for each (max) , for Zec 120 H/s
newbie
Activity: 29
Merit: 0
November 23, 2016, 07:26:14 AM
#80
Hello
First of all thnx for your great work
__________________________________
i'am asking if i can us your Bios for my Tonga r9 380 strix ??
legendary
Activity: 1281
Merit: 1003
November 20, 2016, 09:04:16 PM
#79
i started TongaBiosReader  but i don't see where are the memory timings i can change?

i notice i have all 380's with samsung memory

when i use msi afterburner
asus default is 1375 max stable 1385
xfx is 1400  max stable 1470
sapphire 1400 max stable 1470

i uploaded my default bios here (i write 4G but s its all 2 G)

https://drive.google.com/drive/folders/0B_VgPvwZ9TTcZ0RCSTRmSjdkb0U

if someone could put the right timings

thanks

You cant change mem timing with tongabiosreader, you must do it in hex editor, just google it.

thanks but look too complicate for me, don't wanna kill my gpu
hero member
Activity: 2548
Merit: 626
November 20, 2016, 03:30:58 PM
#78
i started TongaBiosReader  but i don't see where are the memory timings i can change?

i notice i have all 380's with samsung memory

when i use msi afterburner
asus default is 1375 max stable 1385
xfx is 1400  max stable 1470
sapphire 1400 max stable 1470

i uploaded my default bios here (i write 4G but s its all 2 G)

https://drive.google.com/drive/folders/0B_VgPvwZ9TTcZ0RCSTRmSjdkb0U

if someone could put the right timings

thanks

You cant change mem timing with tongabiosreader, you must do it in hex editor, just google it.
newbie
Activity: 19
Merit: 0
November 20, 2016, 03:02:12 PM
#77
Hello,

I installed this Mod Bios on my MSI R9 380 4GB and hashrate now is 24 MHS stable. With 980/1650. I noticed that core clock does not change anything, Even if i put 1100 or 880, no difference, only mclock change things.

Thank you Ralph!
legendary
Activity: 1281
Merit: 1003
November 17, 2016, 11:30:39 PM
#76
i started TongaBiosReader  but i don't see where are the memory timings i can change?

i notice i have all 380's with samsung memory

when i use msi afterburner
asus default is 1375 max stable 1385
xfx is 1400  max stable 1470
sapphire 1400 max stable 1470

i uploaded my default bios here (i write 4G but s its all 2 G)

https://drive.google.com/drive/folders/0B_VgPvwZ9TTcZ0RCSTRmSjdkb0U

if someone could put the right timings

thanks
legendary
Activity: 1151
Merit: 1001
September 30, 2016, 08:17:54 AM
#75
Next to it I have 2 7950's running same clocks (950/1375) @ less than 60 and 24-24.5MH/s (expanse)
Just new paste, removed the stock plastic "cooler body" and fans and put 2 90mm 3000rpm 3W fans
legendary
Activity: 3808
Merit: 1723
September 30, 2016, 05:02:32 AM
#74
The card already is hitting 70deg on open rig...
Perhaps after I find time to change the paste...

70deg is normal. Cold actually.

legendary
Activity: 1151
Merit: 1001
September 30, 2016, 04:58:51 AM
#73
The card already is hitting 70deg on open rig...
Perhaps after I find time to change the paste...
legendary
Activity: 3808
Merit: 1723
September 30, 2016, 01:23:12 AM
#72
In the end I flashed one of Stilt bioses for xfx 280x, which had Elpida-only timings
Results (before/after) @950/1500
ETH: 15 - 15.6
EXP: 23 - 23.8
XMR: 450 - 520 (!)

Well. Result was not worth the effort and time for modding just one card, but I enjoyed the process Wink

increase your core clock and memory to like 1100/1600
legendary
Activity: 1151
Merit: 1001
September 29, 2016, 02:51:04 AM
#71
In the end I flashed one of Stilt bioses for xfx 280x, which had Elpida-only timings
Results (before/after) @950/1500
ETH: 15 - 15.6
EXP: 23 - 23.8
XMR: 450 - 520 (!)

Well. Result was not worth the effort and time for modding just one card, but I enjoyed the process Wink
legendary
Activity: 1302
Merit: 1068
September 28, 2016, 10:22:51 AM
#70
Yes, I compared "your original values" and they are exactly same as mine for 01 mem type Smiley
Still, naybe there is a scientific method to see which code for chich memory is?

In your hex editor scroll up a few lines and you will see a few different memory types. They go chronologically, so if the first one listed is Elpida then its 01, Hynix 02, etc ,etc. If there is only 1 memory then its 00

The 280x you need to set a high core clock to get a good speed. You would need to set it at least to 1100 to get 18mh/s. These cards are getting very close to the end of their lifespan in ETH mining.

Best is to also dual mine with them and you'll make 20 cents extra a day.

I used to think they were in order, then i continued on doing more mods and quite a few BIOS arent in particular order (by comparing the straps that were identical to other BIOSes)

TLDR: Be careful with assumptions.

Also yes dont replace the 4th Byte.
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